Home / 12,751.46-19,125.67-3,392.17

Finding the Fourth Proportional to 12,751.46, 19,125.67 and 3,392.17

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Solution

The fourth proportional to 12,751.46, 19,125.67 and 3,392.17 is: 5,087.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,751.46 : 19,125.67 = 3,392.17 : x
  2. Step 2: Convert to fraction form
    12,751.46/19,125.67 = 3,392.17/x
  3. Step 3: Cross multiply
    12,751.46x = 19,125.67 × 3,392.17
  4. Step 4: Simplify right side
    12,751.46x = 64,877,460.76
  5. Step 5: Solve for x
    x = 64,877,460.76/12,751.46
  6. Step 6: Final answer
    x = 5,087.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.